Home / 10,991.26-16,495.05-6,837.31

Finding the Fourth Proportional to 10,991.26, 16,495.05 and 6,837.31

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Solution

The fourth proportional to 10,991.26, 16,495.05 and 6,837.31 is: 10,261.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991.26 : 16,495.05 = 6,837.31 : x
  2. Step 2: Convert to fraction form
    10,991.26/16,495.05 = 6,837.31/x
  3. Step 3: Cross multiply
    10,991.26x = 16,495.05 × 6,837.31
  4. Step 4: Simplify right side
    10,991.26x = 112,781,687.84
  5. Step 5: Solve for x
    x = 112,781,687.84/10,991.26
  6. Step 6: Final answer
    x = 10,261.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.